EP2600065A2 - Method for operating a hob and hob - Google Patents

Abstract

The method involves setting and detecting a preparation vessel (7) on a cooking zone (3-6) of cooking hob (1). An operating condition of cooking hob is set, by moving an operating element (10) relative to a hotplate (2). The preparation vessel is displayed on a virtual screen (12) of the hob. The position and/or size and/or shape of bottom surface of cooking vessel are displayed on screen. An independent claim is included for a cooking hob.

Description

The invention relates to a method for operating a hob, in which a preparation vessel is placed and detected on a cooking zone of the hob. Furthermore, the invention relates to a hob with a hob plate on which at least one cooking zone is formed, and on which a preparation vessel is positionable, wherein the hob comprises an operating device with a control element.

Hobs are known from the prior art, which recognize the size of a prepared on a cooking zone preparation vessel, such as a saucepan or a pan.

The display of such preparation vessels on a display area is limited in conventional hobs.

It is an object of the present invention to provide a method and a hob, in which the display of preparation vessels, which are placed on a cooking zone of the hob, more precise and more accurate for a user allows comprehensible and the operation is made easy to understand.

This object is achieved by a method and a hob according to the independent claims.

In a method according to the invention for operating a hob, a preparation vessel is set up and recognized on a cooking zone of the hob. By moving an operating element of an operating device of the cooktop relative to a cooktop panel, an operating condition of the cooktop is set. The preparation vessel is displayed virtually on a screen of the hob designed for full-surface image representation. The combination of a mechanically movable control element and a virtual display on one screen enables very user-friendly and clearly comprehensible settings of operating conditions. so that incorrect settings can be avoided. Furthermore, this design is also robust against electromagnetic and thermal influences.

In particular, the size of the preparation vessel is detected and displayed. Such a procedure allows a much more accurate display. The size of the preparation vessel can be made significantly more accurate by such a specified screen display, so that in this respect the perception for a user is significantly improved. Especially through a screen that is designed for full-surface image display, these display options are only achieved.

In particular, the location and / or the shape of the bottom surface of the preparation vessel is displayed on the screen. The advantages mentioned above are thereby further favored.

Preferably, the cooking vessel displayed on the screen is selected for further functional adjustment of the cooking zone. As a result, a very user-friendly and intuitively easy-to-understand operating procedure can be created. This process is also very logical, so that asymmetric or less catchy actions can be avoided during operation for the user.

This can also be done a very safe operation, since then for further adjustment of the cooking zone on which the preparation vessel was placed, in the sense then not the cooking zone but the preparation vessel is selected. This is particularly advantageous in the case of such cooktops, which offer the possibility of being able to individually control and operate cooking zones with regard to the size variation of their heatable surface. It is thus not activated the entire cooking zone for a further function setting, but only that portion of the cooking zone, which is also covered by the preparation vessel. By selecting the preparation vessel this area-specific further functional adjustment of the cooking zone can be favored.

It is preferably provided that the screen is a touch-sensitive control panel, which is touched to the selection of the preparation vessel, in particular is touched at the point at which the preparation vessel is displayed. The logical, fast and In particular, error-minimizing operation is made possible. In addition, an operating procedure is possible in an extremely compact form, since virtually the display and the operation with respect to the selection of a displayed preparation vessel for then further operation setting can be done on a very concentrated surface area. The user therefore does not have to observe and, where appropriate, operate different points, but he can see both the size and location of the preparation vessel with the same viewing direction and also very purposefully touch this for further adjustment of the associated cooking zone. Operating errors can thus be avoided to the highest degree.

It is particularly preferred if the displayed preparation vessel is displayed visually changed after detection, in particular in a different color than in the non-selected state and / or flashing. As a result, the user can easily recognize whether a correct selection has been made and whether another setting is already possible.

It is preferably provided that a cooking level adjustment option of the cooking zone is activated with the selection as a function setting or operating condition setting.

It is then particularly preferred for the cooking stage to be adjusted by turning or tilting the operating element. Such specified types of operation of the operating element allow a very precise adjustment and are independent of touching the control panel. An Betätigungsüberfrachtung the control panel is prevented. In particular, such operation is then also mechanically robust and insensitive to thermal and electromagnetic influences.

It is preferably provided that a timer function and / or a wiping protection function and / or a warming function and / or a boost function can be activated with the selection as operating condition setting. A wiping protection feature is characterized in that controls are virtually locked and no override is done with a rag or the like, no adjustment change, so that incorrect settings can be avoided. At a Warming function is set a specific cooking level, which only keeps an already finished or almost finished food in the preparation vessel warm.

In the case of a boost function, the maximum electrical power is automatically applied to the heating units of the hob, so that, for example, a maximum of rapid heating can take place.

It is preferably provided that the location and / or the size and / or shape of the preparation vessel, in particular the bottom surface of the preparation vessel, are automatically detected by a detection device of the hob. This can be made possible for example via occupancy sensors of the hob.

Preferably, it is provided that the cooking zone has a plurality of heating elements, through which a cohesive cooking surface is formed, wherein the heating elements can be activated individually for heating, and the activation of heating elements depending on the position and size of the preparation vessel takes place such that only these Heating elements are activated, on which at least partially the preparation vessel is positioned. The advantages already mentioned above apply here analogously. In addition, this can be a very energy-efficient operation of the hob are made possible.

In particular, the hob has a plurality of separate cooking zones, which are arranged in area overlap. The cooking zones can be arranged at a distance or connect with their boundaries to each other.

It is preferably provided that the cooktop is formed as an induction cooktop and the cooking zone are formed in particular from a plurality of inductors arranged in a matrix-like manner as heating elements. It can also be provided that the inductors are otherwise formed and arranged next to each other.

Furthermore, the invention relates to a hob with a hob plate on which at least one cooking zone is formed, and on which a preparation vessel is positionable. The cooktop further includes an operating device with one for adjusting operating conditions of the cooktop relative to a cooktop panel movable control element. In addition, the hob comprises a recognition device for detecting a preparation vessel on the hob plate. The cooktop comprises a screen, which is designed to display the position of a preparation vessel placed on the cooktop panel and / or the size of the prepared preparation vessel. The screen is designed in particular for full-surface image representation. The advantages already mentioned in the beginning of the method apply here analogously.

Preferably, the screen is a TFT screen or an LCD screen or a plasma screen or an OLED (Organic Light Emitting Diode) screen. Such screens enable in a particularly compact realization possibility high-resolution image displays over the entire surface area of the screen. The precise positional representation of a preparation vessel as well as the extremely fine-line contour representation of a preparation vessel, in particular in plan view, is thereby possible. Nevertheless, it can be easily perceived by a user. Since just such screens also have significant advantages in terms of color representation, even with the finest and filigree lines through the color differences, the preparation vessels can be accurately and clearly perceived.

It is preferably provided that the operating element is a detachable from a control element receiving the operating device element, in particular flat cylinder-shaped or diskusförmig is formed. By such a configuration of a non-destructively removable removable and re-attachable control element, a very user-friendly operating concept can be created. By virtually the functions of the hob can be adjusted with a single relatively movable control element, in particular with regard to the selection of a cooking zone and the setting of a cooking level, advantages for the user can be achieved here. These are the very fast and focused operation settings options.

It is preferably provided that the screen is designed as a touch-sensitive control panel at least in the region of the display of the preparation vessel. The achievable advantages were already mentioned in the discussion of the method claims.

It is preferably provided that a selection of a functional setting of the cooking zone at the location of the preparation vessel is linked to the touch of the control panel at the location of the displayed preparation vessel.

It is preferably provided that the hob is an induction hob.

Further features of the invention will become apparent from the claims, the figures and the description of the figures. The features and feature combinations mentioned above in the description as well as the features mentioned only in the figures alone and / or in the description of the figures can be used not only in the respectively specified combination but also in other combinations or alone, without the scope of the invention to leave.

Fig. 1

eine Draufsicht auf ein erstes Ausführungsbeispiel eines erfindungsgemäßen Kochfelds;

Fig. 2

eine vergrößerte Darstellung eines Teilausschnitts des Kochfelds gemäß Fig. 1;

Fig. 3

eine Darstellung des Teilausschnitts gemäß Fig. 2 in einem dazu unterschiedlichen Betriebszustand;

Fig. 4

eine Darstellung des Teilausschnitts gemäß Fig. 2 und Fig. 3 in einem nochmals unterschiedlichen Betriebszustand;

Fig. 5

eine Darstellung des Teilausschnitts gemäß Fig. 4 mit einem nachfolgenden Bedienszenario;

Fig. 6

eine Draufsicht auf den Teilausschnitt gemäß Fig. 4 und Fig. 5 in einem nochmals unterschiedlichen Betriebsszenario; und

Fig. 7

eine Draufsicht auf das Kochfeld in Gesamtdarstellung mit der Betriebsbedingungseinstellung gemäß Fig. 6 und einer entsprechenden Belegung der Kochzonen mit Zubereitungsgefäßen.

Embodiments of the invention are explained in more detail below with reference to schematic drawings. Show it:

Fig. 1

a plan view of a first embodiment of a cooking hob according to the invention;

Fig. 2

an enlarged view of a partial section of the hob according to Fig. 1 ;

Fig. 3

a representation of the partial section according to Fig. 2 in a different operating condition;

Fig. 4

a representation of the partial section according to Fig. 2 and Fig. 3 in a different operating condition;

Fig. 5

a representation of the partial section according to Fig. 4 with a subsequent operating scenario;

Fig. 6

a plan view of the partial section according to Fig. 4 and Fig. 5 in a different operating scenario; and

Fig. 7

a plan view of the hob in overall view with the operating condition setting according to Fig. 6 and a corresponding occupancy of the cooking zones with preparation vessels.

In the figures, identical or functionally identical elements are provided with the same reference numerals.

In Fig. 1 is an embodiment of a hob 1 is shown in a plan view, which is designed as an induction hob. The cooktop 1 comprises a cooktop plate 2 made of glass or glass ceramic. On this cooktop, a plurality of cooking zones 3, 4, 5 and 6 are identified and formed with their cooking surfaces. Under the cooktop panel 2, 3 to 6 inductors are respectively arranged in the region of the cooking zones, which in electromagnetic interaction with a preparation vessel, for example, the in Fig. 1 shown preparation vessel 7, which shows a roasting pan, are formed for the preparation of introduced into the preparation vessel 7 Gargut.

In the embodiment, it is provided that the cooking zones 3 and 4 are arranged without overlapping and yet immediately adjacent to each other. The same applies to the cooking zones 5 and 6. The cooking zones 3 to 6 are in the embodiment angular, in particular quadrangular designed.

The hob 1 also includes an operating device 8. The operating device 8 has a control element receptacle 9, in which a flat-cylindrical or discus-shaped control element 10 is non-destructively positionable and removable again. In this regard, the operating element 10 can be held in the operating element receptacle 9 by means of magnetic holding forces. In the state positioned in the operating element receptacle 10, the operating element 10 can be moved relative to the operating element receptacle 9, in order thereby to be able to effect operating condition settings. It can be provided that the operating element 10 exclusively by an in Fig. 1 perpendicular to the plane of the figure standing longitudinal axis of the control element 10 can be rotated. However, it can also be provided that the operating element 10 can additionally be tilted and has an uneven floor for this purpose.

In the exemplary embodiment, it is provided that a selection of a cooking zone 3 to 6 and the setting of the cooking level of these cooking zones 3 to 6 can be carried out by the operating element 10. The hob 1 further comprises a touch-sensitive control panel 11 having a plurality of touch-sensitive control panels. In this regard, as well as on the hob plate 2 symbolically, for example, by a printing and / or an optical backlighting, made recognizable, a basic on and off function of the hob 1 is formed. In addition, a boost function and / or a warming function and / or a wiping protection function can be achieved by appropriately touching the individual points. In addition, a timer function is also formed, which is arranged in the exemplary embodiment on the opposite side to the operating element 10 in comparison to the other operating points of the touch-sensitive control panel 11.

In addition to and separate from this touch-sensitive control panel 11, the hob 1 comprises a full-surface image display 12, which is a TFT screen or an LCD screen or in plasma screen or an OLED screen. In the exemplary embodiment, this screen 12 is configured quadrangular and arranged adjacent to the operating element 10, and arranged with reference to the depth direction (y-direction) quasi offset to the rear.

In a first embodiment, it may be provided that the screen 12 is designed merely to display the position and size of a preparation vessel set up on a cooking zone 3 to 6. In particular, it is provided that the shape of the preparation vessel can also be displayed on this screen 12.

This hob 1 for location detection and size recognition of a preparation vessel 7, a corresponding detection device, which may include, for example, several Topfdetektionssensoren.

In addition, it is also provided that the cooking zones 3 and 4 on the one hand and the cooking zones 5 and 6 on the other hand can also be interconnected and can be operated as a common large cooking zone in each case. To such a common mode of operation, either the screen 12 can be touched when he at least partially designed as a touch-sensitive control panel. However, it can also be provided that the operating element 10 by setting a certain relative position relative to the control element holder 8 such interconnection possible.

In Fig. 2 is shown in a partial enlarged view of the hob 1 in the area of the operating device 8.

According to a first embodiment, the operation can be made as follows. First, the preparation vessel 7 is placed in the embodiment on the cooking zones 5 and 6. By the aforementioned detection device of the hob 1, the location and size of the preparation vessel is detected and displayed on the screen 12, as indicated by the virtual contour 13, which shows the preparation vessel 7 in plan view and with a bottom surface on the screen 12.

If the screen 12 is designed as a touch-sensitive control panel, a further functional adjustment of the cooking zones 5 and 6 can take place by tapping the screen 12 in the region of the preparation vessel that is virtually shown.

In particular, it can be provided that, by recognizing the size, position and shape of the preparation vessel 7, an interconnected operation of the cooking zones 5 and 6 takes place automatically when the user makes contact with the screen 12 in the region of the virtually indicated preparation vessel 7. Once this has been done, this can also be optically assisted by, for example, changing the contour 13 after touching the screen 12 in the region of the preparation vessel 7 and / or the area framed by the contour 13 appears in a different color.

Now, if such a selection for further function setting or operating condition setting is done, the cooking level of the cooking zones 5 and 6 can be adjusted with the control element 10. If it is provided in the exemplary embodiment that the operating element 10 can only be turned and not tilted, this cooking stage setting can be effected by turning the operating element 10. In this Context can be provided that adjacent to and around the control element 10 around display areas are formed in which then the value caused by the rotation caused by the cooking stage is displayed.

Preferably, in this context, these display areas are formed around the operating element 10 such that they are assigned in a local position to the respective cooking zones 3 to 6 and in this regard the display areas are arranged relative to each other, as well as the cooking zones 3 to 6 are arranged to each other.

Are located on the cooking zones 3 and 4 more preparation vessels, they can be heated accordingly by setting the cooking zones 3 and / or 4.

If, moreover, a cooking stage is to be changed during the cooking process, or, for example, a boost function or warming function is activated, the corresponding cooking zone is selected by tapping the preparation vessel virtually displayed on the screen 12, and the value is then adjusted by turning the operating element 12 , A confirmation of such settings can be done in many ways.

This may be the case, for example, by a predetermined time interval of, for example, a few seconds after the control element 10 has not turned. However, it can also be done by touching the screen 12 again at the corresponding location of the preparation vessel. These lists for confirmation are not exhaustive.

Other functions, such as a timer function or the like, can also be set accordingly, whereby here, too, first by touching the preparation vessel on the screen 12 and then by touching a location of the touch-sensitive control panel 11 they are set.

In a further embodiment it can be provided that the operating element 10 can also be tilted. As a result, tilted relative positions of the operating element 10 to a control element receptacle 9 of the operating device 8 can take place. In such an embodiment, it is preferably provided that the screen 12 is designed only for the representation of virtual preparation vessels, as they are placed on the cooking zones 3 to 6 in real execution. As touch-sensitive control panel then this screen 12 is not formed. In such an embodiment, it can then be provided that initially only an actual or real preparation vessel is recognized in principle. It does not necessarily have to be detected immediately the place. However, this can also be provided in addition. In such an embodiment, the contour 13 is then displayed on the screen 12, for example. For further adjustment of operating conditions, the cooking zone on which the real preparation vessel is set up or is to be set up is then first of all carried out by tilting the operating element 10 into a relative position. For this purpose, spaced-apart relative positions are formed in the direction of rotation about the longitudinal axis of the operating element 10, which is perpendicular to the plane of the figure. In a first relative position 14, which is formed in an 8 o'clock position, the cooking zone 3 can be selected. In a second relative position 15, which is formed approximately in a 10 o'clock position, the cooking zone 4 can be selected. The same is due to tilting in the relative positions 16 and 17 and the associated selection of the cooking zones 5 and 6.

In addition, a further relative position 18 formed between the first and the second relative position 14 or 15 is provided. By tilting the control element 10 in this located in 9 o'clock position further relative position 18, a selection of the cooking zones 3 and 4 is carried out together and these quasi interconnected. Any further operation setting then takes place automatically for the entire cooking zone formed.

To represent the respective relative positions as well as the individual cooking zones, imprints in the form of symbols can be formed on the hob plate 2. These may additionally or instead also be indicated by optically active light sources and / or backlit.

Accordingly, a relative position of the operating element 10 is adjustable on the opposite side in a 3 o'clock position, through which the cooking zones 5 and 6 are automatically selected together and form an entire large cooking zone. Based on the now made selection of the desired cooking zone by tilting the control element 10, the virtual display of the preparation vessel is then optionally moved on the screen 12.

If, for example, it is provided that this virtually displayed preparation vessel is or should stand on the cooking zones 5 and 6, then, as shown in FIG Fig. 4 then the virtual display subsequently at the appropriate location on the screen 12.

If now the cooking level of this cooking zone to be selected, this is done by turning the control element 10 about its longitudinal axis. The set cooking level is shown in the interior of the preparation vessel shown in area and thus displayed inside the contour 13. In the embodiment, the cooking level "2" is set in this regard.

In Fig. 4 is in an enlarged view according to Fig. 3 shown that even on the cooking zones 3 and 4 each separate, separate preparation vessels are placed. By the corresponding tilting of the operating element 10 in the relative positions 14 and 15, the cooking zones 3 and 4 are then selected. By turning the operating element 10 in turn, the cooking levels are set, which result here in terms of value in terms of "4" and "7".

In addition, it can also be provided that in each case each selected preparation vessel and the associated selection of the associated cooking zone is visually displayed in color on the screen 12, for example by a color change and / or dynamically flashing. The user is thus also easily perceptible represented in particular with a multiple occupancy of the cooking zones 3 to 6 with several preparation vessels, which preparation vessel and thus also which cooking zone 3 to 6 for a subsequent further function setting, in particular a cooking stage setting is selected.

In Fig. 5 is indicated in this regard by the arrow P1 on the control element 10, as such a change in the cooking level can be done. For example is shown here that the cooking zone 4 was selected and the cooking stage of the value "7" according to the execution in Fig. 4 changed to the value "2".

In Fig. 6 In addition, a state is shown in which all cooking zones were set 3 to 6 with the respective occupancies and the cooking operations are performed. Here, the virtually represented contours of the respective preparation vessels appear on the screen 12 then in the same uniform color.

In Fig. 7 is a plan view of the hob 1 shown, as shown in FIG Fig. 6 is occupied with real preparation vessels 7, 19 and 20.

LIST OF REFERENCE NUMBERS

1

hob

2

Hotplate

3

cooking zone

4

cooking zone

5

cooking zone

6

cooking zone

7

preparation vessel

8th

operating device

9

Operating element receptacle

10

operating element

11

Control panel

12

screen

13

contour

14

relative position

15

relative position

16

relative position

17

relative position

18

relative position

19

preparation vessel

20

preparation vessel

Claims (16)

A method of operating a hob (1) in which a preparation vessel (7, 19, 20) is placed and detected on a cooking zone (3 to 6) of the hob (1) and by moving an operating element (10) relative to a hob plate (2) an operating condition of the hob (1) is set, characterized in that the preparation vessel (7, 19, 20) on a screen (12) of the hob (1) is displayed virtually. A method according to claim 1, characterized in that the position and / or the size and / or the shape of the bottom surface of the preparation vessel (3 to 6) is displayed on the screen (12) or be. A method according to claim 1 or 2, characterized in that for further setting of an operating condition of the cooking zone (3 to 6) on the screen (12) displayed preparation vessel (7, 19, 20) is selected. A method according to claim 3, characterized in that the screen (12) is a touch-sensitive control panel which is touched to the selection of the preparation vessel (7, 19, 20), in particular at the point at which the preparation vessel (7, 19, 20). is displayed, is touched. A method according to claim 3 or 4, characterized in that the displayed preparation vessel (7, 19, 20) is displayed visually changed after detection recognized, in particular in a different color than in the non-selected state and / or flashing. Method according to one of claims 3 to 5, characterized in that the selection is selected as the operating condition a Kochstufeneinstellungsmöglichkeit the cooking zone (3 to 6). A method according to claim 6, characterized in that the cooking stage by turning or tilting of the operating element (10) is adjusted. Method according to one of claims 3 to 7, characterized in that the selection as the operating condition, a timer function and / or a wiping protection function and / or a warming function and / or a boost function can be activated. Method according to one of claims 2 to 8, characterized in that the preparation vessel (7, 19, 20) is automatically detected by a detection device of the hob (1). Method according to one of the preceding claims, characterized in that the hob (1) is formed as an induction hob. Hob (1) with a hob plate (2) on which at least one cooking zone (3 to 6) is formed, and on which a preparation vessel (7, 19, 20) can be positioned, and with an operating device (8) with a for adjustment of operating conditions of the hob (1) relative to a hob plate (2) movable control element (10) and a detection device for a preparation vessel (7, 19, 20), characterized in that the hob (1) has a screen (12), which is designed such that a recognized preparation vessel (7, 19, 20) is displayed virtually. Hob (1) according to claim 11, characterized in that the screen (12) is a TFT screen or LCD screen or in plasma screen or an OLED screen. Hob (1) according to claim 11 or 12, characterized in that the operating element (10) is a removable from a control element holder (9) of the operating device (8) element, in particular flat cylindrical or disc-shaped. Hob (1) according to any one of claims 11 to 13, characterized in that the screen (12) is formed at least in the region of the virtual display of the preparation vessel (7, 19, 20) as a touch-sensitive control panel. Hob (1) according to claim 14, characterized in that with the touch of the control panel at the location of the indicated preparation vessel (7, 19, 20) a selection of an adjustment of an operating condition of the cooking zone (3 to 6) at the position, in particular only on the position, the preparation vessel (7, 19, 20) is linked. Hob (1) according to one of claims 11 to 15, characterized in that it is an induction hob.

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